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Finding the Fourth Proportional to 285,872.27, 428,826.27 and 96,316.88

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Solution

The fourth proportional to 285,872.27, 428,826.27 and 96,316.88 is: 144,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,872.27 : 428,826.27 = 96,316.88 : x
  2. Step 2: Convert to fraction form
    285,872.27/428,826.27 = 96,316.88/x
  3. Step 3: Cross multiply
    285,872.27x = 428,826.27 × 96,316.88
  4. Step 4: Simplify right side
    285,872.27x = 41,303,208,388.44
  5. Step 5: Solve for x
    x = 41,303,208,388.44/285,872.27
  6. Step 6: Final answer
    x = 144,481.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.